GB1152233A - Process for the Purification of Adipic Acid - Google Patents
Process for the Purification of Adipic AcidInfo
- Publication number
- GB1152233A GB1152233A GB35782/65A GB3578265A GB1152233A GB 1152233 A GB1152233 A GB 1152233A GB 35782/65 A GB35782/65 A GB 35782/65A GB 3578265 A GB3578265 A GB 3578265A GB 1152233 A GB1152233 A GB 1152233A
- Authority
- GB
- United Kingdom
- Prior art keywords
- adipic acid
- purification
- solution
- steam
- heading
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 title abstract 10
- 235000011037 adipic acid Nutrition 0.000 title abstract 5
- 239000001361 adipic acid Substances 0.000 title abstract 5
- 238000000034 method Methods 0.000 title 1
- 238000000746 purification Methods 0.000 title 1
- 239000000243 solution Substances 0.000 abstract 2
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 150000007513 acids Chemical class 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 238000002425 crystallisation Methods 0.000 abstract 1
- 230000008025 crystallization Effects 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
- C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
- C07C51/445—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation by steam distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB35782/65A GB1152233A (en) | 1965-08-20 | 1965-08-20 | Process for the Purification of Adipic Acid |
CH1178466A CH491850A (de) | 1965-08-20 | 1966-08-16 | Verfahren zur Reinigung von Adipinsäure |
DE19661568865 DE1568865A1 (de) | 1965-08-20 | 1966-08-17 | Verfahren zur Reinigung von Adipinsaeure |
US588641A US3445512A (en) | 1965-08-20 | 1966-08-18 | Purification of adipic acid |
BE685775D BE685775A (zh) | 1965-08-20 | 1966-08-19 | |
NL6611716A NL6611716A (zh) | 1965-08-20 | 1966-08-19 | |
FR73550A FR1490077A (fr) | 1965-08-20 | 1966-08-19 | Procédé de purification de l'acide adipique |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB35782/65A GB1152233A (en) | 1965-08-20 | 1965-08-20 | Process for the Purification of Adipic Acid |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1152233A true GB1152233A (en) | 1969-05-14 |
Family
ID=10381493
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB35782/65A Expired GB1152233A (en) | 1965-08-20 | 1965-08-20 | Process for the Purification of Adipic Acid |
Country Status (6)
Country | Link |
---|---|
US (1) | US3445512A (zh) |
BE (1) | BE685775A (zh) |
CH (1) | CH491850A (zh) |
DE (1) | DE1568865A1 (zh) |
GB (1) | GB1152233A (zh) |
NL (1) | NL6611716A (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113694556A (zh) * | 2021-09-30 | 2021-11-26 | 杭州浥能科技有限公司 | 一种水合法环己醇分离的节能装置及方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2617835A (en) * | 1950-02-24 | 1952-11-11 | Du Pont | Polyhydric alcohol process |
US2703331A (en) * | 1953-11-06 | 1955-03-01 | Du Pont | Process for separating adipic acid precursors |
US2773094A (en) * | 1953-12-14 | 1956-12-04 | Tallow Res Inc | Oxidation of fatty acids |
US3365490A (en) * | 1966-08-05 | 1968-01-23 | Du Pont | Process for the production of dicarboxylic acids |
-
1965
- 1965-08-20 GB GB35782/65A patent/GB1152233A/en not_active Expired
-
1966
- 1966-08-16 CH CH1178466A patent/CH491850A/de not_active IP Right Cessation
- 1966-08-17 DE DE19661568865 patent/DE1568865A1/de active Pending
- 1966-08-18 US US588641A patent/US3445512A/en not_active Expired - Lifetime
- 1966-08-19 BE BE685775D patent/BE685775A/xx unknown
- 1966-08-19 NL NL6611716A patent/NL6611716A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
CH491850A (de) | 1970-06-15 |
DE1568865A1 (de) | 1970-07-16 |
US3445512A (en) | 1969-05-20 |
BE685775A (zh) | 1967-02-20 |
NL6611716A (zh) | 1967-02-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PLNP | Patent lapsed through nonpayment of renewal fees |